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300-070 · Question #29

Refer to Exhibit, If the user at extension 1001 dials the user at extension 2111, which dial peer is used to route the call?

The correct answer is D. 1. Applying the longest prefix match rule: the destination 2111 does not match any of the more specific dial peers in the exhibit (which are configured for numbers like 2001, 2002, 200X, etc.). The only dial peer that matches 2111 is dial peer 1, which uses a broad wildcard…

Gateway and Dial Plan

Question

Refer to Exhibit, If the user at extension 1001 dials the user at extension 2111, which dial peer is used to route the call?

Options

  • A3
  • B2
  • C4
  • D1

How the community answered

(50 responses)
  • A
    10% (5)
  • B
    6% (3)
  • C
    26% (13)
  • D
    58% (29)

Explanation

Applying the longest prefix match rule: the destination 2111 does not match any of the more specific dial peers in the exhibit (which are configured for numbers like 2001, 2002, 200X, etc.). The only dial peer that matches 2111 is dial peer 1, which uses a broad wildcard pattern such as '2...' (matching any four-digit number beginning with 2). Since no more specific dial peer covers 2111, the router falls back to this general wildcard peer. This is typical of a default or catch-all dial peer that handles calls not covered by more specific destination patterns.

Topics

#dial peer#wildcard matching#dial peer selection#digit analysis

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